CVE-2019-20812

MEDIUM5.5

An issue was discovered in the Linux kernel before 5

Published Jun 3, 2020

Modified 1 years ago

Details

An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.

References

ADVISORY

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html

ADVISORY

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html

WEB

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7

WEB

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43d1f9f7067c6759b1051e8ecb84e82cef569fe

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2019-20812

WEB